- AcademyHealthwww.academyhealth.org
- American Red Crosswww.redcross.org
- FamiliesUSAwww.familiesusa.org
- FamilyDoctor.orgwww.familydoctor.org
- Healthlinewww.healthline.com
- USA.govwww.usa.gov
- U.S. Department of Health and Human Serviceswww.hhs.gov
- WebMDwww.webmd.com
- World Health Organizationwww.who.int
